... 4 - 4.0mm steel spring wire , we can offer you : Steel Wire 1. Name: Cold-drawn non-alloy steel wire for springs (cold-draw ... packing, spool packing,with pallet.6. Applying: Mainly used for Spring, Wire rope, Simmons bed, Vehicles and various cushions, Machine manufacturing, Electric ... also can offer you others products, such as , steel wire rope, steel balls, steel nails.More information will be sent ...